body {
  margin: 0;
  padding: 0;
  width: 100%;
  font-size: 10px;
  height: 100%;
}

html {
  width: 100%;
  height: 100%;
}


.qr {
  display: inline-block;
  width: 19%;
  vertical-align: top;
  height: 100%;
  text-align: center;
}

.flex-center {
  display: flex;
  align-items: center;
}

.flex-between {
  display: flex;
  justify-content: space-between;
}

.ml10 {
  margin-left: 10px;
}

.mt20 {
  margin-top: 20px;
}

.mb10 {
  margin-bottom: 10px;
}

.mb20 {
  margin-bottom: 20px;
}

.mb30 {
  margin-bottom: 30px;
}
.mb50 {
  margin-bottom: 30px;
}

.mt10 {
  margin-top: 10px;
}

.mr10 {
  margin-right: 10px;
}

.cp {
  cursor: pointer;
}

.flex {
  display: flex;
}

.fs16 {
  font-size: 16px;
}

.fs20 {
  font-size: 20px;
}

.fs30 {
  font-size: 30px;
}

.mb40 {
  margin-bottom: 40px !important;
}

.bold {
  font-weight: bold;
}

.el-menu-item-group__title {
  padding: 0 !important;
}